Operating/display panel



FIG. 1 is a front, right side perspective view of the operating/display panel of the present invention;

FIG. 2 is a front view thereof;

FIG. 3 is left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of portions of the operating/display panel forms no part of the claimed design. 

The ornamental design for an operating/display panel, as shown and described. 